chore: release 0.13.1, begin 0.13.2.dev0 development (#3610)

* chore: bump version to 0.13.1

* chore: begin 0.13.2.dev0 development

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -2,6 +2,21 @@
 
 <!-- insert new changelog below this comment -->
 
+## [0.13.1] - 2026-07-21
+
+### Changed
+
+- fix(integrations): catch OverflowError on a `priority: .inf` in add/remove (#3589)
+- fix(workflows): reject bool / .inf catalog priority in workflow & step catalog loaders (#3526)
+- fix(catalogs): 'priority: .inf' yields a clean validation error instead of crashing (#3525)
+- docs(integrations): document the 'integration list --catalog' flag (#3530)
+- fix(workflows): fail fan-in loudly on a non-string wait_for entry (#3579)
+- fix(workflows): fail fan-out loudly on a truthy non-mapping step template (#3537)
+- fix(workflows): reject a non-string prompt in prompt-step validate() (#3582)
+- fix(workflows): route 'workflow status --json' errors to stderr (#3520)
+- fix(integrations): Forge dispatches hyphenated /speckit-<cmd> invocations (#3529)
+- chore: release 0.13.0, begin 0.13.1.dev0 development (#3588)
+
 ## [0.13.0] - 2026-07-17
 
 ### Changed

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "specify-cli"
-version = "0.13.1.dev0"
+version = "0.13.2.dev0"
 description = "Specify CLI, part of GitHub Spec Kit. A tool to bootstrap your projects for Spec-Driven Development (SDD)."
 readme = "README.md"
 requires-python = ">=3.11"